2-5/8” Mechanical Oil Pressure Gauge (0-100psi) with Adaptors - 537-17 sales_promo_active Keeping the rear end of

Keeping the rear end of your Holden HQ

Internal Finish - Black face

specifically designed to fit HQ

the gauge reads manifold air pressure changes directly — eliminating the need for electronic MAP sensors or complex wiring modules

providing reliable protection during hailstorms and other harsh weather conditions

2-5/8” Mechanical Oil Pressure Gauge (0-100psi) with Adaptors - 537-17 sales_promo_active Keeping the rear end ofFor drivers who prefer a direct, no nonsense approach to engine monitoring, mechanical oil pressure gauges remain a trusted choice. The Speco Oil Pressure Gauge is ideally suited to street machines, classic restorations, kit cars and hot rods running compatible petrol engines, delivering immediate and detailed insight into engine oil pressure. Operating through a purely mechanical pressure feed system, it measures engine oil pressure directly from the